摘要：【中文】一种变电站三维设计中间隔棒的优化建模方法，根据导线连接的起点坐标、终点坐标和导线连接的出线方向，确定起、终点连线的中点；计算连接导线的弧垂信息，对起、终点连线的中点进行调整，得到导线最终的垂点；根据导线的总重量及导线材料规格对应的弹性系数，得到导线沿起、终点方向的延伸长度及拐点位置；根据起点坐标、垂点坐标、终点坐标及导线连接的出线方向，构造曲线，作为连接导线的中心线；根据导线中心线构建分裂导线和间隔棒的优化模型。本发明通过创新的计算和模拟方法，解决了变电站中分裂导线及其间隔棒模型的真实模拟和展示问题，对工程进行优化设计，可以使模型更加精确。 【EN】An optimized modeling method for a spacer in three-dimensional design of a transformer substation determines the midpoint of a start-point connecting line and a terminal-point connecting line according to a start-point coordinate and a terminal-point coordinate of wire connection and the wire outgoing direction of the wire connection; calculating sag information of the connecting wire, and adjusting the middle point of the starting point connecting wire and the end point connecting wire to obtain the final sag point of the wire; obtaining the extension length and the inflection point position of the wire along the starting and ending point directions according to the total weight of the wire and the elastic coefficient corresponding to the material specification of the wire; constructing a curve as a central line of the connecting lead according to the starting point coordinate, the vertical point coordinate, the end point coordinate and the lead-out direction of the lead connection; and constructing an optimized model of the split conductor and the spacer according to the central line of the conductor. According to the invention, by adopting an innovative calculation and simulation method, the problems of real simulation and display of the split conductor and spacer model in the transformer substation are solved, the engineering is optimally designed, and the model can be more accurate.